本文整理汇总了Python中tkinter.Canvas.xview_moveto方法的典型用法代码示例。如果您正苦于以下问题：Python Canvas.xview_moveto方法的具体用法？Python Canvas.xview_moveto怎么用？Python Canvas.xview_moveto使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类tkinter.Canvas的用法示例。
在下文中一共展示了Canvas.xview_moveto方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: from tkinter import Canvas [as 别名]
# 或者: from tkinter.Canvas import xview_moveto [as 别名]
def __init__(self, parent, *args, **kw):
Frame.__init__(self, parent, *args, **kw)
# create a canvas object and a vertical scrollbar for scrolling it
vscrollbar = Scrollbar(self, orient=VERTICAL)
vscrollbar.pack(fill=Y, side=RIGHT, expand=FALSE)
canvas = Canvas(self, bd=0, highlightthickness=0,
yscrollcommand=vscrollbar.set)
self._canvas = canvas
canvas.pack(side=LEFT, fill=BOTH, expand=TRUE)
vscrollbar.config(command=canvas.yview)
# reset the view
canvas.xview_moveto(0)
canvas.yview_moveto(0)
# create a frame inside the canvas which will be scrolled with it
self.interior = interior = Frame(canvas)
interior_id = canvas.create_window(0, 0, window=interior,
anchor=NW)
# track changes to the canvas and frame width and sync them,
# also updating the scrollbar
def _configure_interior(event):
# update the scrollbars to match the size of the inner frame
size = (interior.winfo_reqwidth(), interior.winfo_reqheight())
canvas.config(scrollregion="0 0 %s %s" % size)
if interior.winfo_reqwidth() != canvas.winfo_width():
# update the canvas's width to fit the inner frame
canvas.config(width=interior.winfo_reqwidth())
if interior.winfo_reqheight() != canvas.winfo_height():
# update the canvas's height to fit the inner frame
canvas.config(height=interior.winfo_reqheight())
interior.bind('<Configure>', _configure_interior)
def _configure_canvas(event):
"""
This function is called when the canvas is configured, that is on resize and so on,
"""
if interior.winfo_reqwidth() != canvas.winfo_width():
# update the inner frame's width to fill the canvas
canvas.itemconfigure(interior_id, width=canvas.winfo_width())
if interior.winfo_reqheight() != canvas.winfo_height():
# update the inner frame's height to fill the canvas
canvas.itemconfigure(interior_id, height=canvas.winfo_height())
canvas.bind('<Configure>', _configure_canvas)
return